The International Society of Automation (www.isa.org) is a nonprofit professional association that sets the standard for those who apply engineering and technology to improve the management, safety, and cybersecurity of modern automation and control systems used across industry and critical infrastructure. Founded in 1945, ISA develops widely used global standards; certifies industry professionals; provides education and training; publishes books and technical articles; hosts conferences and exhibits; and provides networking and career development programs for its 36,000 members and 350,000 customers around the world.

ISA owns Automation.com, a leading online publisher of automation-related content, and is the founding sponsor of The Automation Federation (www.automationfederation.org), an association of non-profit organizations serving as “The Voice of Automation.” Through a wholly owned subsidiary, ISA bridges the gap between standards and their implementation with the ISA Security Compliance Institute (www.isasecure.org) and the ISA Wireless Compliance Institute (www.isa100wci.org).

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ISA members have access to dozens of unique benefits. Update your member profile, set your communications preferences, find products and services that are right for you, and more – all from the convenience of your ISA website.

ISA has the resources and expert networks that you need – no matter what position you hold in our industries. Browse the products and services designed to meet the needs of these common industry roles:

ISA gives me the chance to work with science and engineering students in my community. Each year, my section presents an award to a middle school team in the area who compete in a national engineering competition. I feel it's my responsibility to encourage young people to explore careers in automation and engineering.

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Identify pressure and temperature requirements-Identify the valve requirements imposed by the nature of controlled fluid-Compare the features, limitations and suitability of different valve styles-Select and appropriate valve-Select and appropriate means of operating the valve

Back to Valve Basics: Selecting Shutoff Valves

Identify pressure and temperature requirements-Identify the valve requirements imposed by the nature of controlled fluid-Compare the features, limitations and suitability of different valve styles-Select and appropriate valve-Select and appropriate means of operating the valve

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